Sir Alex Ferguson REVEALS how Cristiano Ronaldo became a superstar

The Real Madrid superstar spent six seasons at Old Trafford, scoring 118 goals in 292 appearances before his £80m switch to the Bernabeu.

And his ex-boss reckons his transformation - aided by the other players on the training ground - was unbelievable.

In an interview with the BBC, Ferguson said: "Ronaldo was the biggest improvement because he came as a young skinny kid at seventeen and he had all these little things about him that they used to criticise - about his diving and all the rest of it.